3180980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 7680960

約数和(自身を除く): 4499980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 761, 836, 1045, 1522, 2090, 3044, 3805, 4180, 7610, 8371, 14459, 15220, 16742, 28918, 33484, 41855, 57836, 72295, 83710, 144590, 159049, 167420, 289180, 318098, 636196, 795245, 1590490, 3180980]

約数ペア:

[(1, 3180980), (2, 1590490), (4, 795245), (5, 636196), (10, 318098), (11, 289180), (19, 167420), (20, 159049), (22, 144590), (38, 83710), (44, 72295), (55, 57836), (76, 41855), (95, 33484), (110, 28918), (190, 16742), (209, 15220), (220, 14459), (380, 8371), (418, 7610), (761, 4180), (836, 3805), (1045, 3044), (1522, 2090)]